21418+5737 HJ 3055

 
 
21h 41m 51.17s +57° 37' 37.0" P.A. 158.00 sep 7.2 mag 11.10,11.70
 
 
Coord 2000 21418+5737 Discov num HJ 3055 Comp Coord arcsec 2000 21 41 51.17 +57 37 37.0
Date first 1831 Date last 2015 Obs 9
Pa first 161 Pa last 158.2 P.A. Now (θ) 158.2°
Sep first 3.0 Sep last 7.211 Sep. Now (ρ) 7.211"
Mag pri 11.10 Mag sec 11.70 delta mag (ΔM) 0.6 Spectral class
Pri motion ra -007 Sec motion ra -004
Pri motion dec -007 Sec motion dec -010
Notes
rPM=0.394
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cepheus Gaia DR2 2178479572290021760 ADS 15244